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ENV 12313-4 : DRAFT 2000
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TRAFFIC AND TRAVELLER INFORMATION (TTI) - TTI MESSAGES VIA TRAFFIC MESSAGE CODING - PART 4: CODING PROTOCOL FOR RADIO DATA SYSTEM - TRAFFIC MESSAGE CHANNEL (RDS-TMC) - RDS-TMC USING ALERT PLUS WITH ALERT C
12-01-2013
FOREWORD
INTRODUCTION
1 SCOPE
1.1 Application
1.2 Presentation
1.3 Service management
1.4 Transmission
2 NORMATIVE REFERENCES
3 APPLICATION
3.1 Content of the TMC "travel service"
3.2 TMC terminal
3.3 Event-orientated information (ALERT C)
3.4 Status-orientated information (ALERT Plus)
3.5 Strategic and tactical information
3.6 Geographic relevance
3.7 Transmitted message priority
4 PRESENTATION
4.1 Event-orientated messages
4.2 Status-orientated messages
4.2.1 Message format (variant: 4 bits)
4.2.2 Collection (11 or 12 bits)
4.2.3 Statuses (20 or 21 bits)
4.2.4 Coding mechanism
5 SERVICE MANAGEMENT
5.1 Introduction
5.1.1 Pure ALERT C service
5.1.2 Added value services (ALERT C and ALERT Plus)
5.2 System messages (32 bits)
5.2.1 Service layer information
5.2.2 Network layer information
6 TRANSMISSION
6.1 System messages
6.1.1 Type 1A groups
6.1.2 Type 5A groups
6.1.3 Type 3A groups
6.1.4 Type 8A groups
6.2 Immediate repetition
6.3 Event-orientated messages (ALERT C)
6.4 Status-orientated messages (ALERT Plus)
6.5 Summary
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